Coolant Temperature Below Normal
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
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Symptom |
Possible Cause |
Action |
Reference |
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Coolant Temperature Below Normal |
Active DTCs or high counts of inactive DTCs |
Check for active and inactive DTCs. |
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Coolant temperature gauge or sensor is malfunctioning |
Test the gauge or the sensor. Repair or replace, if necessary. |
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Thermostat is not correct or is malfunctioning |
Check the thermostat for the correct part number and for correct operation. |
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Fan drive or fan controls are malfunctioning |
Check the fan drive and fan controls. |
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Engine idle time is excessive |
Low oil and coolant temperatures can be cause by long idle times (greater than 10 minutes). Shut the engine OFF rather than idle for long periods. |
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Cooling system component is malfunctioning |
Perform the Cooling System Diagnostics Test. |